52140352308 has 24 divisors (see below), whose sum is σ = 132720897120. Its totient is φ = 15800106720.

The previous prime is 52140352291. The next prime is 52140352309. The reversal of 52140352308 is 80325304125.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52140352309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197501203 + ... + 197501466.

It is an arithmetic number, because the mean of its divisors is an integer number (5530037380).

Almost surely, 2^52140352308 is an apocalyptic number.

It is an amenable number.

52140352308 is an abundant number, since it is smaller than the sum of its proper divisors (80580544812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52140352308 is a wasteful number, since it uses less digits than its factorization.

52140352308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395002687 (or 395002685 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 52140352308 in words is "fifty-two billion, one hundred forty million, three hundred fifty-two thousand, three hundred eight".